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#3454898 - 08/13/14 10:49 PM MMO + Rotella T5: Reduction in Blowby in my L05
DoubleWasp Offline


Registered: 05/21/12
Posts: 1112
Loc: Fort Lauderdale, FL
My 1992 Caprice Station Wagon with L05 5.7 TBI V8 engine had been suffering from major blowby, to the point where my low oil level light was routinely coming on, even after top-offs, and I had to replace my PCV system with breathers. The breathers would then become routinely saturated with oil, and it became the norm to smell either crankcase stink, oil burning on the exhaust manifolds, or both at the same time. Oil level continued to be problem. At idle, a visble jet of blowby smoke emitted from both valve cover breathers.

On a whim, I decided to top off the system with MMO, instead of oil out of the 2 jugs of Rotella T5 I came to carry in my wagon. The first "benefit" I noticed was that the crankcase stink was replaced by the not-all-that-bad aroma of MMO.

After about 800 miles, fuel economy and power made a definite jump. Doing 95-100 on the highway no longer required alot of throttle pressure, and highway driving, even with the huge R4 AC compressor going no longer resulted in visual declines of the fuel needle. I started with about 11-12mpg highway when I bought her, and between the Seafoaming and MMO, she got up to 17mpg on the highway, the major emissions from the valve covers has ceased, and my daily check of the dipstick reveals the oil no longer goes anywhere but inside of the engine. After I tested the new AC Delco wires that came with the car at 9K ohms or greater, I replaced the wires with stainless steel marine wires (.9-1.1K ohms), and replaced the Delco platinum plugs with NGK double platinum V-Powers, netting a new highway fuel economy of 20mpg @ 90mph.

At 90, she'll sometimes get away from me and creep to 95 if I'm not paying attention, and will crack 100 easily with very little persuasion.

Once I have redone all of her old seals, I plan to switch to a full synthetic. T6 is out of the question, because of the 40-weight. I want to stick with 10/30. I have no catalyst, so I can run any motor oil I want.

Long story, short: The **** works. laugh
_________________________
1996 Buick Roadmaster Wagon VR1/FU XG5
1968 Charger R/T / Blown440 VR1/LF9028
2007 Ram 3500 4x4 / Cummins RT6/LF9028
2015 Porsche 911 C4S PDK

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#3454901 - 08/13/14 11:01 PM Re: MMO + Rotella T5: Reduction in Blowby in my L05 [Re: DoubleWasp]
cknight49090 Offline


Registered: 01/25/14
Posts: 235
Loc: south haven mi
ya the MMO nut huggers are gonna luv you now....

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#3454902 - 08/13/14 11:04 PM Re: MMO + Rotella T5: Reduction in Blowby in my L05 [Re: DoubleWasp]
MrQuackers Online   content


Registered: 08/17/12
Posts: 1462
Loc: Oregon
Another anecdotal success story!
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Trapped in time. Surrounded by evil. Low on gas.

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#3454904 - 08/13/14 11:12 PM Re: MMO + Rotella T5: Reduction in Blowby in my L05 [Re: DoubleWasp]
andyd Offline


Registered: 09/25/04
Posts: 4295
Loc: Marshfield , MA
Even if it doesn't do a thing,it is short money for something to try and smells good too. I use MMO pretty much the same way in the winter.
_________________________
2 1988 BMW 528e 20w50 dino, STP filter

1994 Ranger ,600$ Rat, 5w30 dino, STP filter

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#3454908 - 08/13/14 11:18 PM Re: MMO + Rotella T5: Reduction in Blowby in my L05 [Re: DoubleWasp]
cronk Offline


Registered: 01/06/09
Posts: 780
Loc: Watertown, New York
Don't fear the T6 5w40. I've been running it in my 1993 c1500 with a 305 for about 3 years now and its worked fantastic!
_________________________
1998 GMC C1500
1999 Saturn SL2
2011 Nissan Quest
1986 Pontiac Trans Am
1940 Ford 9N Tractor

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#3454910 - 08/13/14 11:22 PM Re: MMO + Rotella T5: Reduction in Blowby in my L05 [Re: DoubleWasp]
DoubleWasp Offline


Registered: 05/21/12
Posts: 1112
Loc: Fort Lauderdale, FL
Might give it a shot then. I love the T5, and the T6 is on a major sale locally.

I was surprised. I'm a firm believer in "just fix the [censored] thing", and always scoffed at the "fix in the bottle" solutions, aside from Dr. Tranny. I've passed by the MMO for years without giving it a second glance, but it was a "what the [censored], why not?" situation. Out of nowhere, it actually made an improvement.


Edited by DoubleWasp (08/13/14 11:23 PM)
_________________________
1996 Buick Roadmaster Wagon VR1/FU XG5
1968 Charger R/T / Blown440 VR1/LF9028
2007 Ram 3500 4x4 / Cummins RT6/LF9028
2015 Porsche 911 C4S PDK

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#3454952 - 08/14/14 05:22 AM Re: MMO + Rotella T5: Reduction in Blowby in my L05 [Re: MrQuackers]
demarpaint Offline


Registered: 07/03/05
Posts: 23106
Loc: NY
Originally Posted By: MrQuackers
Another anecdotal success story!


Yes indeed, quite positive in fact. It also mimics many other people's results. Stay tuned for your regularly scheduled bombardment. LOL Nice report.
_________________________
God Bless Our Troops


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#3454954 - 08/14/14 05:32 AM Re: MMO + Rotella T5: Reduction in Blowby in my L05 [Re: demarpaint]
SteveSRT8 Offline


Registered: 10/10/08
Posts: 16601
Loc: Sunny Florida
Originally Posted By: demarpaint
Originally Posted By: MrQuackers
Another anecdotal success story!


Yes indeed, quite positive in fact. It also mimics many other people's results. Stay tuned for your regularly scheduled bombardment. LOL Nice report.


Yep, expect the same boring exchanges...
_________________________
"In a democracy, dissent is an act of faith."
J. William Fulbright
Best ET-12.79 @ 111 mph
4340 pounds, Street tires
Just like we go to Publix

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#3455243 - 08/14/14 12:07 PM Re: MMO + Rotella T5: Reduction in Blowby in my L05 [Re: DoubleWasp]
DoubleWasp Offline


Registered: 05/21/12
Posts: 1112
Loc: Fort Lauderdale, FL
I guess there is some sort of controversy concerning MMO? confused

I don't know exactly what it does or does not do, but I do know that I was about 5 minutes away from pulling the engine until the MMO. She still might get that treatment anyway, just because I want a fresh, more powerful build before I drive her down through South America, but in the mean time, at least I don't have to put up with any more of the oil drama. cool
_________________________
1996 Buick Roadmaster Wagon VR1/FU XG5
1968 Charger R/T / Blown440 VR1/LF9028
2007 Ram 3500 4x4 / Cummins RT6/LF9028
2015 Porsche 911 C4S PDK

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#3459863 - 08/19/14 09:23 PM Re: MMO + Rotella T5: Reduction in Blowby in my L05 [Re: DoubleWasp]
cronk Offline


Registered: 01/06/09
Posts: 780
Loc: Watertown, New York
It may have cleaned out the rings and they are now sealing better to the cylinder walls. I know alot of Saturn guys have done piston soaks using MMO and reported less oil consumption.
_________________________
1998 GMC C1500
1999 Saturn SL2
2011 Nissan Quest
1986 Pontiac Trans Am
1940 Ford 9N Tractor

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#3460119 - 08/20/14 09:13 AM Re: MMO + Rotella T5: Reduction in Blowby in my L05 [Re: DoubleWasp]
A_Harman Offline


Registered: 10/01/10
Posts: 5194
Loc: Michigan
Wouldn't it be better to put the MMO in the fuel if the purpose is to clean up piston deposits and free stuck rings?

If you're putting it in the oil, it's probably better to start with a thicker oil so that when the MMO is mixed in, you end up with a viscosity in the 30 range. There are viscosity calculators online that you could use to determine the proper mix. Somebody did a VOA of MMO here recently, so we know what its viscosity is.
_________________________
1985 Z51 Corvette track car
2002 Camaro Z28 LS1/6-speed
2001 Dodge Ram 2500 diesel
1972 GMC 1500 shortbed project truck

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#3460530 - 08/20/14 05:10 PM Re: MMO + Rotella T5: Reduction in Blowby in my L05 [Re: DoubleWasp]
Callies_Kustoms Offline


Registered: 07/14/07
Posts: 18
Loc: Portland OR
I love it! If you had said it did nothing these same people would be jumping around singing from the tops of the mountains saying snake oil, snake oil, I told you so!

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#3460534 - 08/20/14 05:21 PM Re: MMO + Rotella T5: Reduction in Blowby in my L05 [Re: Callies_Kustoms]
demarpaint Offline


Registered: 07/03/05
Posts: 23106
Loc: NY
Originally Posted By: Callies_Kustoms
I love it! If you had said it did nothing these same people would be jumping around singing from the tops of the mountains saying snake oil, snake oil, I told you so!


On this board? Never! LOL crackmeup
_________________________
God Bless Our Troops


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#3461652 - 08/21/14 06:33 PM Re: MMO + Rotella T5: Reduction in Blowby in my L05 [Re: DoubleWasp]
jk_636 Offline


Registered: 08/03/14
Posts: 1433
Loc: Texas
Another success story! MMO is the way to go! Many here know that I am pro-marvel in everything I own, both in the fuel and crankcase. Let the arguments...er...discussions begin!



Edited by jk_636 (08/21/14 06:34 PM)
_________________________
2006 Dodge Ram 1500 4.7 [Mobil 1 0w30+ Purolator synthetic or P1]

2012 Ford Escape 3.0 [Royal Purple 5w20 + Purolator Synthetic or RP Extended Life]

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#3462072 - 08/22/14 07:46 AM Re: MMO + Rotella T5: Reduction in Blowby in my L05 [Re: A_Harman]
SteveSRT8 Offline


Registered: 10/10/08
Posts: 16601
Loc: Sunny Florida
Originally Posted By: A_Harman
Wouldn't it be better to put the MMO in the fuel if the purpose is to clean up piston deposits and free stuck rings?


In another popular engine cleaning formula they recommend BOTH the fuel and the oil be treated simultaneously for best results.

Worked well here...
_________________________
"In a democracy, dissent is an act of faith."
J. William Fulbright
Best ET-12.79 @ 111 mph
4340 pounds, Street tires
Just like we go to Publix

Top
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